Article code SPB143J1
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  • Overview
  • The Magic of grey... Its multi-functionality makes this Seiko Prospex automatic movement the perfect watch for any occasion! The simplistic design of the grey case and dial combines beautifully with the robust steel strap.


Calibre no.: 6R35
Movement type: Automatic, hand-winding possible
Accuracy: +25 to -15 seconds per day
Duration: 70 hours
Case material: Silver Stainless steel handle (super hard coating) case, Grey dial and Grey/Black steel bezel
Glass Material: Sapphire glass
Glass Coating: Anti-reflective coating on inner surface
Strap material: Silver coloured steel
Clasp: Folding clasp with safety flap and pusher
Water resistance: 20 BAR / 200 M / 660 FT
Case size: Diameter 40,5 mm × Thickness 14 mm
Other details / Features: Watch weight 174 gr, Strap length 22 cm, Strap width 18 mm, Date function, 24 Jewels, Uni rotating bezel, Stop function second hand.

Product details

Prospex collection:

Seiko Prospex: a lively story that surpasses even the wildest expectations of athletes and adventurers. Unique diver watches, dynamic pilot watches and specimens with rotating compass ring. No wish remains unanswered. Clocks with professional specifications to discover the world your way. On land, at sea and in the air. Experience Seiko technology.

Automatic timepiece:

A mechanical watch automatically recharges itself when worn by converting the wearer's arm and wrist movements into energy. Movement of the watch causes the main spring of the watch to excite. This spring is the source of energy.